||: Gm9 | Gm9 C9:||A
Vamp X 8||B
| Gm9 | Dm9 | Gm9 | Dm9 | Gm9 | Dm9 || Gm9 | Bbm7 C7 || C
||: Am7 | D7\b9|b13 |Gm7 | Bbm7 C7 :||
That song uses pretty much 90% major and minor 7ths. It's R n' B after all.
It turns out that just the opposite.